Multiple choice general knowledge science & technology How to open Page Source? Ctrl+J Ctrl+M Ctrl+U Ctrl+P Reveal answer Fill a bubble to check yourself C Correct answer Explanation Ctrl+U opens the HTML page source in virtually all web browsers. This is essential for web developers and curious users who want to see the underlying code. Ctrl+J often opens downloads, Ctrl+M is not standardized, and Ctrl+P is for printing.